GT-1612-MTBD
GPS&Beidou Receiver Module
www.gotop-zzu.com
Page 32 of 35
Revision: V2.0.1-January 2015
8.2.2 GLL-Geographic Position – Latitude/Longitude
$xxGLL , 3723.2475, N,12158.3416, W,161229.487, A*2C.
Table 19: GLL Data Format
Name
Example
Units
Description
Message ID
$xxGLL
GLL protocol header
Latitude
3723.2475
ddmm.mmmm
N/S Indicator
N
N=north or S=south
Longitude
12158.3416
dddmm.mmmm
E/W Indicator
W
E=east or W=west
UTC Position
161229.487
hhmmss.sss
Status
A
A=data valid or V=data not valid
Check sum
*2C
<CR> <LF>
End of message temination
8.2.3 GSA-GNSS DOP and Active Satellites
$xxGSA , A, 3, 07, 02, 26,27, 09, 04,15, , , , , , 1.8,1.0,1.5*33.
Table 20: GSA Data Format
Name
Example
Units
Description
Message
$xxGSA
GSA protocol header
Mode 1
A
See Table 20-2
Mode 2
3
See Table 20-1
Satellite Used
07
Sv on Channel 1
Satellite Used
02
Sv on Channel 2
…
…
…
Satellite Used
Sv on Channel 66
PDOP
1.8
Position Dilution of Precision
HDOP
1.0
Horizontal Dilution of Precision
VDOP
1.5
Vertical Dilution of Precision
Check sum
*33
<CR> <LF>
End of message termination
Table 20-1: Mode 1
Value
Description
1
Fix not available
2
2D
3
3D
